I considered suicide, says Kanye West

Kanye West has admitted that he thought about killing himself - but now feels a responsibility to make a meaningful contribution to pop culture and art.

Describing himself as a pop icon and "soldier for culture", the rapper told an audience including Morgan Spurlock, Ryan Phillippe, Ashlee Simpson-Wentz and Pete Wentz at the Los Angeles screening of his film 'Runaway' "there were times that I contemplated suicide".